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Cadillac 25873496 Differential Carrier Assembly (3.73 Ratio)

2005-2007 Cadillac CTS

Customer Questions & Expert Answers (2)
25873496 GM Differential Carrier Assembly (3.73 Ratio) Illustration 1 of 1
  • Part Description
    Carrier Assembly, Differential (3.73 Ratio) ; Carrier, Final Drive
  • Replaces
    15793717
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number25873496
    Part DescriptionCarrier Assembly, Differential (3.73 Ratio) ; Carrier, Final Drive
    Other NamesCarrier
    Item Dimensions18.4 x 19.8 x 12.8 inches
    Item Weight61.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces15793717
    ManufacturerGeneral Motors
    SKU25873496
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2005-2007 Cadillac CTS6 Cyl 2.8L4 DOOR, 4 DOOR RHD, V 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 25873496 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What is the first step in the process of removing the rear Differential for the 2005 Cadillac CTS? Posted by Verified Customer
    A:
    Raise the rear of the vehicle and support it securely on jackstands, blocking the front wheels to prevent rolling. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Jul 10, 2025

Genuine GM Part 25873496, the Right Choice

To ensure reliability, purchase GM part # 25873496 Differential Carrier Assembly (3.73 Ratio). It is sometimes referred to as Cadillac Differential. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac CTS models.

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